CN202182467U - Fuel-grading multistrand rising flame and low NOX gas burner - Google Patents
Fuel-grading multistrand rising flame and low NOX gas burner Download PDFInfo
- Publication number
- CN202182467U CN202182467U CN2011202807642U CN201120280764U CN202182467U CN 202182467 U CN202182467 U CN 202182467U CN 2011202807642 U CN2011202807642 U CN 2011202807642U CN 201120280764 U CN201120280764 U CN 201120280764U CN 202182467 U CN202182467 U CN 202182467U
- Authority
- CN
- China
- Prior art keywords
- fuel
- flame
- gas
- gun
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000000630 rising effect Effects 0.000 title abstract 3
- 239000000446 fuel Substances 0.000 claims abstract description 87
- 238000002485 combustion reaction Methods 0.000 claims abstract description 47
- 239000007789 gas Substances 0.000 claims abstract description 47
- 239000011449 brick Substances 0.000 claims abstract description 25
- 239000007921 spray Substances 0.000 claims description 23
- 239000002737 fuel gas Substances 0.000 claims description 20
- 239000000567 combustion gas Substances 0.000 claims description 19
- 230000008030 elimination Effects 0.000 claims description 14
- 238000003379 elimination reaction Methods 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000030279 gene silencing Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000012546 transfer Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 17
- 239000003546 flue gas Substances 0.000 abstract description 17
- 238000002156 mixing Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000005728 strengthening Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 17
- 238000013461 design Methods 0.000 description 15
- 150000002978 peroxides Chemical class 0.000 description 7
- 239000000779 smoke Substances 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000003517 fume Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 235000019504 cigarettes Nutrition 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000003134 recirculating effect Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 206010053615 Thermal burn Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Abstract
The utility model relates to a fuel grading multistrand rising flame and low NOX gas burner comprising fire basin bricks, sound absorbing barrels, fuel guns, incandescent lights, air intakes and air-regulating butterfly valves, wherein the fuel guns are arranged in the center of the fire basin bricks and the sound absorbing barrels; the incandescent lights are arranged on one side of the fuel guns; the air intake and the air-regulating butterfly valves are arranged at one side of the external sound absorbing barrels; the middle part of each fire basin brick is designed and provided with an air flue opening which has a narrow waist and wide upper and lower ends, and gradually contracts and enlarges; a groove is arranged on the outer ring of each fire basin brick; the center of the air flue opening is provided with a main sprayer of the fuel gun; an auxiliary sprayer of the fuel gun is arranged in the groove; a gas inlet is arranged on each fuel gun; the gas inlet is connected with the main sprayer of the fuel gun through a main air gun and is connected with the auxiliary sprayer of the fuel gun through an auxiliary air gun; and the main sprayer of the fuel gun is provided with a flame holder comprising a cone-shaped flame-holding tray and a V-shaped flame-holding block. The fuel grading multistrand rising flame and low NOX gas burner uses fuel grading, strengthening and mixing, flue gas backflow, and staged combustion, and belongs to a combustion technology for reducing the core temperature of the burning flame, preventing the generation of NOx and reducing generation amount of the NOx in the flue gas.
Description
Technical field
The utility model relates to burner; Referring in particular to a kind of being adapted to uses in the vertical or cylinder type heating furnace decompression heating furnace as usual of oil plant standpipe etc.; And realizing that the fuel staging multiply directly goes up flame combustion and reduces NOx pollutant discharge amount in the flue gas significantly, the fuel staging multiply of low noise operation directly goes up the low NO of flame
XGas burner.
Background technology
Understand to large scale development direction and each side's information according to market trend, refinery's heating furnace; At present in the domestic petroleum refinery industry; The circular flame burner that uses in the atmospheric and vacuum distillation unit; Find in use in the fume emission that NOx concentration is higher, oxygen content and the bad adjustment of CO, flame flies away sometimes, boiler tube is heated inadequately evenly, be prone to phenomenon such as coking.Along with country improves constantly to environmental emission and to low-carbon economy and energy-saving and cost-reducing requirement; Develop a kind of efficient burning; The width of cloth penetrates that temperature is even, and the fuel staging multiply of low pollution emission directly goes up the flame gas burner and substitutes former circular flame burner, and market prospects will be very wide.
Summary of the invention
The purpose of the utility model is to improve and innovate to the defective that exists in the background technology and problem; Providing a kind of not only adapts to 300 degree combustion airs burnings and also adapts to the burning that the high temperature combustion air reaches 450 degree; For making full use of of fume afterheat ability creates conditions, reach energy-efficient, low NO
XThe fuel staging multiply of fume emission purpose directly goes up the low NO of flame
XGas burner.
The technical scheme of the utility model is a kind of burner that is fixedly installed on the heating furnace body of structure; Comprise brazier brick, noise elimination cylindrical shell; Be arranged on the fuel gun at brazier brick and noise elimination cylindrical shell center; Be arranged on the altar lamp of fuel gun one side, and be arranged on the air inlet of silencing pot external one side and transfer wind dish valve, wherein:
The brazier brick middle part is designed with the wide gradually closing flaring wind passage mouth of the narrow upper and lower side of a waist, and the brazier brick outer shroud is designed with groove, and the wind passage mouth center is provided with fuel gun main jet head, and the auxilliary shower nozzle of fuel gun is set in the groove;
Described fuel gun is provided with the fuel gas inlet, and the fuel gas inlet connects fuel gun main jet head through main air gun, connect the auxilliary shower nozzle of fuel gun through auxilliary air gun, and fuel gun main jet head place is provided with the flame holder that comprises taper stable flame pan and the steady flame piece of V-arrangement.
Advantage of the utility model and beneficial effect:
The utility model has adopted fuel staging, enhancing mixed, smoke backflow, sectional combustion, reduction combustion flame central temperature, has controlled the combustion technology that NOx generates, and has effectively reduced NO in the flue gas
XGrowing amount.The utility model is adapted to use in standpipe vertical or the cylindrical furnace and the similar type of furnace, and realizes that the fuel staging multiply directly goes up flame combustion and reduces NOx pollutant discharge amount in the flue gas significantly, satisfies the heating furnace device to the required heat energy of product production capacity deep processing.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is Fig. 1 vertical view.
Fig. 3 is the utility model fuel gun main jet header structure sketch map.
Fig. 4 is the auxilliary nozzle structure sketch map of the utility model fuel gun.
Fig. 5 is Fig. 4 cross-sectional view.
The specific embodiment
Can know by Fig. 1 to 5; The utility model is fixedly installed on the heating furnace body; Comprise brazier brick 1, noise elimination cylindrical shell 2, be arranged on the fuel gun 4 at brazier brick 1 and noise elimination cylindrical shell 2 centers, be arranged on the altar lamp 3 of fuel gun 4 one sides; And be arranged on the air inlet of noise elimination cylindrical shell 2 outside sides and transfer wind dish valve 5, wherein:
Brazier brick 1 middle part is designed with the wide gradually closing flaring wind passage mouth 7 of the narrow upper and lower side of a waist, and brazier brick 1 outer shroud is designed with groove 9, and wind passage mouth 7 centers are provided with fuel gun main jet head 8, and the auxilliary shower nozzle 10 of fuel gun is set in the groove 9;
Described fuel gun 4 is provided with fuel gas inlet 11; Fuel gas inlet 11 connects fuel gun main jet head 8 through main air gun; Connect the auxilliary shower nozzle 10 of fuel gun through auxilliary air gun, and fuel gun main jet head 8 places are provided with the flame holder 6 that comprises taper stable flame pan 12 and the steady flame piece 13 of V-arrangement.
The described noise elimination cylindrical shell 2 of the utility model adopts adiabatic post to be fixedly connected with the inside and outside cylindrical shell of transferring wind dish valve 5, and inner core adopts perforated plate construction, is provided with insulating silencing material in the lining of noise elimination cylindrical shell 2 and accent wind dish valve 5.Described altar lamp 3 is arranged on fuel gun main jet head 8 one side pilot fuel rifle main jet heads 8.Described fuel gun main jet head 8 is provided with the main jet head sidewall gas jet orifice 14 of steady combustion; With the oblique spray orifice 15 of main jet first level combustion gas that is provided with band α angle; Main jet head sidewall gas jet orifice 14 forms flame of centre with the oblique spray orifice 15 of the first level of main jet combustion gas, and the auxilliary shower nozzle 10 of the oblique spray orifice 15 pilot fuel rifles of main jet first level combustion gas.The auxilliary shower nozzle 10 of described fuel gun is provided with the auxilliary shower nozzle sidewall gas jet orifice 16 of steady combustion; Be provided with the little spray orifice 17 of auxilliary shower nozzle second gas burning of band β angle; With the big spray orifice 18 of auxilliary shower nozzle second gas burning that is provided with band γ angle, the little spray orifice 17 of wherein auxilliary shower nozzle second gas burning forms outer flame with the big spray orifice 18 of auxilliary shower nozzle second gas burning.Described taper stable flame pan 12 is a circular discs, is set on the fuel gun main jet head 8, and is provided with porose on the dish uniformly.The steady flame piece 13 of described V-arrangement is a vee-block, be arranged on uniformly around the taper stable flame pan 12, and the concave surface of vee-block is provided with porose towards fuel gun main jet head 8 uniformly on the vee-block.
The structural principle of the utility model:
The utility model burner is made up of brazier brick 1, noise elimination cylindrical shell 2, altar lamp 3, fuel gun 4, accent wind butterfly valve 5, flame holder 6 etc., has adopted fuel staging, enhancing mixed, smoke backflow, sectional combustion, reduction combustion flame central temperature, has controlled the combustion technology that NOx generates.Wherein:
Brazier brick 1 center is provided with the wind passage mouth 7 of a gradually closing flaring, has designed four grooves 9 that pass the auxilliary shower nozzle 10 of fuel gun on the fire pot outer shroud.The fuel gun 4 that is installed in the fire pot is provided with a fuel gas inlet 11, and it is with the main air gun of a fuel gun main jet head 8 and the auxilliary air gun of assisting shower nozzle 10 with four fuel guns.
On fuel gun main jet head 8, design four main jet head sidewall gas jet orifices 14 and four the first level of main jet gas jet orifices 15 that angle is α, seen Fig. 3.The high-speed fuel gas of ejection passes and is submerged in the brazier brick in the combustion-supporting air flow with thread and certain angle; Improved the encounter environment of combustion gas and air; Improved both mixing intensities, this moment is burning under the igniting of altar lamp 3 flames, forms the flame of centre of peroxide.Because the gas quantity of main jet head ejection is little, and the air that mixes with it is an air distribution amount in full, what carry out is the mixed combustion under the high excess air, and combustion flame temperature is lower, so temperature mode NOx growing amount is also low.The flame of main jet head sidewall gas jet orifice 14 plays the effect of steady combustion under the effect of flame holder parts, the flame of the first level of main jet gas jet orifice 15 plays the effect of lighting auxilliary shower nozzle second gas burning under the effect of steady cigarette device 6.On the auxilliary shower nozzle 10 of four fuel guns, respectively design the big spray orifice 18 of auxilliary shower nozzle second gas burning of the little spray orifice of the auxilliary shower nozzle second gas burning of an auxilliary shower nozzle sidewall gas jet orifice 16, a band β angle 17, a band γ angle, seen Fig. 4,5.The high-speed fuel gas of ejection passes and is submerged in the peroxide flue gas stream of flame of centre with thread and certain angle, has improved the encounter environment of combustion gas and air, has improved both mixing intensities.This moment of burning under the igniting of the first level of main jet gas jet orifice flame; The flame of sidewall gas jet orifice plays the effect of steady combustion under the effect of flame holder parts; The flame of second gas burning spray orifice forms outer flame under the effect of steady cigarette device parts, further strengthened the flame stabilization burning.Because the gas flow of auxilliary shower nozzle ejection is big, and the air that mixes with it is the peroxide flue gas of flame of centre, oxygen concentration reduces, and what carry out is the mixed combustion under the fuel overrich, and combustion flame temperature is low, so the generation of NOx is suppressed.Because the I and II combustion gas all is the mixed combustion under equivalent proportion non-chemically; Ignition temperature is low; So NOx generates and is suppressed, after two groups of bias combustions were accomplished respectively, combination realized completing combustion on flame top for residue combustion gas and surplus air; Therefore ignition temperature and oxygen concentration are all low, and NOx generates and is suppressed once more; The effect of entrainmenting owing to high velocity jet secondary fuel gas in burner hearth simultaneously forms a negative pressuren zone; To carry out the flue gas that temperature has descended after the heat exchange with boiler tube inhales back; The cooling outer flame; Realized the inner loop of flue gas in the burner hearth, thereby whole circular flame temperature is reduced below 1450 ℃, this has just been avoided N
2With O
2Reaction generates the temperature conditions of NO, reaches the NO that reduces in the discharging flue gas
XThe concentration purpose, NO in the flue gas
XConcentration is below 60PPm.Described fuel gun main jet head 8, auxilliary shower nozzle 10 each the sidewall gas jet orifice of fuel gun and I and II gas jet orifice area size have been carried out optimal design with angle of flare, thereby have guaranteed the uniformity of whole flame combustion temperature.
The utility model noise elimination cylindrical shell 2 and accent wind butterfly valve 5 component optimization structural design and Design on thermal insulation.Inside and outside cylindrical shell connects the adiabatic post of employing to be fixed; Inner core adopts perforated plate construction; Be lined with enough thick insulating silencing material; Sound wave passes through the damping and amortization noise reduction of porous plate and liner heat-barrier material in the air; Combustion noise is decayed rapidly; Realize the low noise discharging of burner, noise＜80dBA1m and cylindrical shell (2-0) hull-skin temperature are lower than 60 ℃ of (non-scald on hand) requirements when satisfying the burner operation.Transfer the wind butterfly valve only to control total blast volume simultaneously; Do not need respectively wind and secondary wind are regulated; The root wind of supplied burner flame and direct current wind are distributed according to concurrent principle by the ratio that flame holder parts draught area accounts for total air channel area, have avoided that to regulate the improper burning that causes of ratio manually insufficient because of primary and secondary air.
The utility model has adopted 6 designs of novel flame holder; Being used in combination of taper stable flame pan 12 and the steady flame piece 13 of V-arrangement improved the air velocity in brazier brick air channel inlet or the combustion chamber, and forms the resistance shelves of big resistance in the porch; Thereby constitute bump and mix the moving yardstick of the wadding that increases air-flow; Strengthened combustion gas and Air mixing, taper stable flame pan 12 then produces the low pressure recirculating zone with the steady flame piece of V-arrangement 13 inside, adds the negative pressure of entrainmenting effect formation of the outside secondary fuel gas of flame holder parts high-speed jet again; Realized smoke backflow in the burner hearth, combustion gas is lighted through out-of-date high-temperature flue gas by inside and outside backflow.Because the steady flame spray orifice design of the multiple sidewall of main and auxiliary shower nozzle, so the burning of burner I and II fuel gas forms very upright and outspoken, stable flame.
The utility model also adapt to the furnace pressure-20Pa of burner place～-40Pa, under the natural air feed condition, normal condition is still located in burning.
The operation principle of the utility model:
The utility model in use, with a certain pressure (80Pa 300Pa left or right and left) high-temperature (300 degrees Ge 450 degrees)? Combustion air from the outside and the furnace negative pressure caused by the suction force fed by adjusting the wind valve 5 according to the combustion air quantity adjusting the cylindrical body 2 after muffler tube 1 into the wind crossing Brazier brick 7, because the inner cylinder and the inner wall of the perforated plate valve, the inner and outer wall of the muffler embedded sufficiently thick cotton insulation, thereby adsorbing the duct due to the combustion air at high speed most of the noise generated by the flow of sound in the propagation through the porous plate and the damping lining silencer insulation material, combustion noise decay rapidly, so that the burner is in operation Low noise condition, and allows the bellows outer surface temperature compliance.
The fuel gun 4 that the utility model is installed in the fire pot is provided with the main air gun of a fuel gun main jet head 8 and the auxilliary air gun of assisting shower nozzle 10 with four fuel guns.Four sidewall gas jet orifices and four one-level gas jet orifices that angle is α on fuel gun main jet head 8, have been designed; A sidewall gas jet orifice, the little spray orifice of second gas burning of a band β angle, the big spray orifice of second gas burning of a band γ angle on the auxilliary shower nozzle 10 of four fuel guns, have respectively been designed.High-speed fuel gas through the ejection of main and auxiliary shower nozzle passes and is submerged in the brazier brick in the combustion-supporting air flow with thread and certain angle, has improved the encounter environment of combustion gas and air, has improved both mixing intensities, under the igniting of altar lamp 3 flames, burns at this moment.Because the gas quantity of main jet head ejection is little, and the air that mixes with it is an air distribution amount in full, what carry out is the mixed combustion under the high excess air, forms the flame of centre of peroxide, and combustion flame temperature is lower, so temperature mode NOx growing amount is also low.The flame of main jet head sidewall gas jet orifice plays the effect of steady combustion under the effect of flame holder parts, the flame of one-level gas jet orifice plays the effect of lighting auxilliary shower nozzle second gas burning under the effect of steady cigarette device parts.The combustion gas of auxilliary shower nozzle ejection is burnt under the igniting of main jet head flame; The flame of sidewall gas jet orifice plays the effect of steady combustion under the effect of flame holder parts; The flame of second gas burning spray orifice forms outer flame under the effect of steady cigarette device parts, further strengthened the flame stabilization burning.Because the gas flow of auxilliary shower nozzle ejection is big, and the air that mixes with it is the peroxide flue gas of flame of centre, oxygen concentration reduces, and what carry out is the mixed combustion under the fuel overrich, and combustion flame temperature is low, so the generation of NOx is suppressed.After two groups of different bias combustions were accomplished respectively, combination realized completing combustion on flame top with surplus air in the residue combustion gas, so ignition temperature and oxygen concentration are all low, and the NOx generation is suppressed once more.Thereby reached the purpose that reduces NOx concentration in the fume emission, NO in the flue gas
XConcentration is below 60PPm.
The utility model is because the wind passage mouth 7 of brazier brick 1 center gradually closing flaring; In conjunction with the use of flame holder 6 taper stable flame pans 12 and the steady flame piece 13 of V-arrangement, improved the air velocity in brazier brick air channel inlet or the combustion chamber, and formed the resistance shelves of big resistance in the porch; Thereby constitute bump and mix the moving yardstick of the wadding that increases air-flow; Strengthened combustion gas and Air mixing, the steady flame piece of taper stable flame pan and V-arrangement inside then produces the low pressure recirculating zone, adds the negative pressure of entrainmenting effect formation of the outside secondary fuel gas of flame holder parts high-speed jet again; Realized the inner smoke backflow of burner hearth; Combustion gas is lighted through out-of-date high-temperature flue gas by inside and outside backflow, because the steady flame spray orifice design of the multiple sidewall of main and auxiliary shower nozzle, so the burning of burner I and II fuel gas forms very upright and outspoken, stable flame.
The utility model combustion test proves; The inner chamber design of brazier brick 1 cooperates gas gun 4 main and auxiliary spray nozzle special angle and specific size design; The one-level fuel gas that on the one hand the main jet head is accounted for total amount of fuel 25% is divided into the stereotyped writing thread, has increased the contact area of combustion gas and total combustion-supporting air flow, improves the encounter environment of fuel gas and air; Both mixing intensities have been improved; Burning under the igniting of altar lamp 3 flames, the flame of centre of formation peroxide, this flame are again the stable burning things which may cause a fire disaster of lighting auxilliary shower nozzle secondary fuel gas.In addition the aspect will be assisted the secondary fuel gas that shower nozzle accounts for total amount of fuel 65% and will be divided into four groups of 12 strands of threads; Increased the contact area of combustion gas and peroxide neutral flame flue gas; Improve the encounter environment of fuel gas and air; Improved both mixing intensities, burning forms upright and outspoken, stable outer flame under the igniting of neutral flame.Special design in conjunction with novel flame holder 6; The utility model with fuel staging, enhancing mixed, smoke backflow, sectional combustion, reduction combustion flame central temperature, control the low NOx combusting technology that NOx generates and accomplished perfect combination and fully utilization, can make that NOx concentration is lower than 60PPm in the flue gas of smoke evacuation.
The evidence of the utility model high-temperature air burning: the design of the utility model adapts to the condition of the combustion air about 450 degree fully and uses.The air feed of high temperature air can improve ignition temperature and flame transmission speed; Thereby increase the chemical reaction velocity overheavy firing in the combustion zone; And the flame of the overheavy firing that obtains be stable, more virility, attached wall property are better, this provides another kind of application approach for utilization, fuel savings, the reduction energy resource consumption to fume afterheat.
The utility model spontaneous firing evidence: the internal structure design that the utility model is smooth; Make that the burner air resistance drop is little, at gravity-flow ventilation condition inch, the furnace bottom draft is at-20Pa during to-40Pa; Can obtain good combustion efficiency equally, enlarge the utility model range of application.
The described embodiment of the utility model only is the description that the preferred implementation of the utility model is carried out; Be not that the utility model design and scope are limited; Under the prerequisite that does not break away from the utility model design philosophy, engineers and technicians make the technical scheme of the utility model in this area various modification and improvement all should fall into the protection domain of the utility model; The technology contents that the utility model is asked for protection all is documented in claims.
Claims (7)
1. a fuel staging multiply directly goes up the low NO of flame
XGas burner is fixedly installed on the heating furnace body, it is characterized in that:
Comprise brazier brick (1), noise elimination cylindrical shell (2); Be arranged on the fuel gun (4) at brazier brick (1) and noise elimination cylindrical shell (2) center; Be arranged on the altar lamp (3) of fuel gun (4) one sides, and be arranged on the air inlet of the outside side of noise elimination cylindrical shell (2) and transfer wind dish valve (5), wherein:
Brazier brick (1) middle part is designed with the wide gradually closing flaring wind passage mouth (7) of the narrow upper and lower side of a waist; Brazier brick (1) outer shroud is designed with groove (9); Wind passage mouth (7) center is provided with fuel gun main jet head (8), and the auxilliary shower nozzle (10) of fuel gun is set in the groove (9);
Described fuel gun (4) is provided with fuel gas inlet (11); Fuel gas inlet (11) connects fuel gun main jet head (8) through main air gun; Connect the auxilliary shower nozzle (10) of fuel gun through auxilliary air gun, and fuel gun main jet head (8) locates to be provided with the flame holder (6) that comprises taper stable flame pan (12) and the steady flame piece of V-arrangement (13).
2. fuel staging multiply according to claim 1 directly goes up the low NO of flame
XGas burner is characterized in that described noise elimination cylindrical shell (2) adopts adiabatic post to be fixedly connected with the inside and outside cylindrical shell of transferring wind dish valve (5), and inner core adopts perforated plate construction, is provided with insulating silencing material in the lining of noise elimination cylindrical shell (2) and accent wind dish valve (5).
3. fuel staging multiply according to claim 1 directly goes up the low NO of flame
XGas burner is characterized in that described altar lamp (3) is arranged on fuel gun main jet head (8) one side pilot fuel rifle main jet heads (8).
4. fuel staging multiply according to claim 1 directly goes up the low NO of flame
XGas burner; It is characterized in that described fuel gun main jet head (8) is provided with the main jet head sidewall gas jet orifice (14) of steady combustion; With the first level of the main jet oblique spray orifice of combustion gas (15) that is provided with band α angle; Main jet head sidewall gas jet orifice (14) and the main jet first level oblique spray orifice of combustion gas (15) forms flame of centre, and the auxilliary shower nozzle (10) of the first level of the main jet oblique spray orifice of combustion gas (15) pilot fuel rifle.
5. fuel staging multiply according to claim 1 directly goes up the low NO of flame
XGas burner; It is characterized in that described fuel gun assists the auxilliary shower nozzle sidewall gas jet orifice (16) that shower nozzle (10) is provided with steady combustion; Be provided with the little spray orifice of auxilliary shower nozzle second gas burning (17) of band β angle; With the big spray orifice of auxilliary shower nozzle second gas burning (18) that is provided with band γ angle, wherein auxilliary little spray orifice of shower nozzle second gas burning (17) and the big spray orifice of auxilliary shower nozzle second gas burning (18) form outer flame.
6. fuel staging multiply according to claim 1 directly goes up the low NO of flame
XGas burner is characterized in that described taper stable flame pan (12) is circular discs, is set on the fuel gun main jet head (8), and is provided with porose on the dish uniformly.
7. fuel staging multiply according to claim 1 directly goes up the low NO of flame
XGas burner is characterized in that the steady flame piece of described V-arrangement (13) is a vee-block, be arranged on taper stable flame pan (12) uniformly all around, and the concave surface of vee-block is provided with uniformly on the vee-block towards fuel gun main jet head (8) porose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202807642U CN202182467U (en) | 2011-08-04 | 2011-08-04 | Fuel-grading multistrand rising flame and low NOX gas burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202807642U CN202182467U (en) | 2011-08-04 | 2011-08-04 | Fuel-grading multistrand rising flame and low NOX gas burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202182467U true CN202182467U (en) | 2012-04-04 |
Family
ID=46175503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202807642U Expired - Fee Related CN202182467U (en) | 2011-08-04 | 2011-08-04 | Fuel-grading multistrand rising flame and low NOX gas burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202182467U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196140A (en) * | 2013-04-22 | 2013-07-10 | 湖南吉祥石化科技股份有限公司 | Two-stage-flame safe pilot burner |
| CN103486572A (en) * | 2013-09-26 | 2014-01-01 | 长沙理工大学 | Low NOx fuel gas burner based on venturi tubes |
| CN103727536A (en) * | 2013-12-05 | 2014-04-16 | 西安西热锅炉环保工程有限公司 | Multistage adjustable ultralow-nitrogen strong and weak rotational flow opposed-impact gas burner |
| CN104121581A (en) * | 2014-07-23 | 2014-10-29 | 华东理工大学 | Efficient low-NOx tube type heating furnace low-concentration oxygen-enriched combustion system and combustor |
| CN104501153A (en) * | 2014-11-24 | 2015-04-08 | 吴江市格瑞福金属制品有限公司 | Mute kitchen range |
| CN108561108A (en) * | 2018-06-15 | 2018-09-21 | 邵洪伟 | A kind of generator of in-situ retorting oil shale |
| CN108758629A (en) * | 2018-07-10 | 2018-11-06 | 东方电气集团东方锅炉股份有限公司 | low nitrogen oxide gas burner |
| CN108895446A (en) * | 2018-07-27 | 2018-11-27 | 岳阳恒盛石化科技有限公司 | A kind of odd numbered rounds are ignited energy-efficient ultralow NOXGas burner |
-
2011
- 2011-08-04 CN CN2011202807642U patent/CN202182467U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196140A (en) * | 2013-04-22 | 2013-07-10 | 湖南吉祥石化科技股份有限公司 | Two-stage-flame safe pilot burner |
| CN103486572B (en) * | 2013-09-26 | 2015-10-28 | 长沙理工大学 | A kind of low NOx gas burner based on Venturi tube |
| CN103486572A (en) * | 2013-09-26 | 2014-01-01 | 长沙理工大学 | Low NOx fuel gas burner based on venturi tubes |
| CN103727536A (en) * | 2013-12-05 | 2014-04-16 | 西安西热锅炉环保工程有限公司 | Multistage adjustable ultralow-nitrogen strong and weak rotational flow opposed-impact gas burner |
| CN103727536B (en) * | 2013-12-05 | 2015-11-11 | 西安西热锅炉环保工程有限公司 | The multistage adjustable strong and weak rotation flow impact gas burner of ultralow nitrogen |
| CN104121581A (en) * | 2014-07-23 | 2014-10-29 | 华东理工大学 | Efficient low-NOx tube type heating furnace low-concentration oxygen-enriched combustion system and combustor |
| CN104121581B (en) * | 2014-07-23 | 2016-06-29 | 华东理工大学 | A kind of high efficency low NOx tubular heater low concentration oxygen-enriched combustion system and burner |
| CN104501153A (en) * | 2014-11-24 | 2015-04-08 | 吴江市格瑞福金属制品有限公司 | Mute kitchen range |
| CN108561108A (en) * | 2018-06-15 | 2018-09-21 | 邵洪伟 | A kind of generator of in-situ retorting oil shale |
| CN108561108B (en) * | 2018-06-15 | 2024-05-14 | 邵洪伟 | Generator for in-situ oil extraction shale |
| CN108758629A (en) * | 2018-07-10 | 2018-11-06 | 东方电气集团东方锅炉股份有限公司 | low nitrogen oxide gas burner |
| CN108758629B (en) * | 2018-07-10 | 2024-04-12 | 东方电气集团东方锅炉股份有限公司 | Low-oxynitride gas burner |
| CN108895446A (en) * | 2018-07-27 | 2018-11-27 | 岳阳恒盛石化科技有限公司 | A kind of odd numbered rounds are ignited energy-efficient ultralow NOXGas burner |
| CN108895446B (en) * | 2018-07-27 | 2024-04-16 | 岳阳恒盛石化科技有限公司 | Odd number circulation ignition high-efficiency energy-saving ultralow NO X Gas burner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202182467U (en) | Fuel-grading multistrand rising flame and low NOX gas burner | |
| CN205504983U (en) | Gas recirculation low NOx burner in combustion -supporting wind injection type stove | |
| CN207539904U (en) | Ultralow nitrogen gas burner | |
| CN106382629B (en) | High Hydrogen fuel Flat-flame ultra-low NOx emission oil and gas combination burner | |
| CN205447747U (en) | Ultralow NOx combustor of hot flue gas self -loopa type | |
| CN208566685U (en) | A kind of energy-efficient low NOx gas burner of fuel three-level classification | |
| CN207990688U (en) | A kind of energy-saving gas cooker | |
| CN205119061U (en) | Gas fractional combustion ware | |
| CN105570890A (en) | Hot flue gas self-circulation type ultra-low NOx combustor | |
| CN108266727A (en) | The ultralow NO of cycle in a kind of flue gasxDischarge gas burner | |
| CN108050515A (en) | A kind of flat ultralow NO of attached wall flamexGas burner | |
| CN207893756U (en) | A kind of flue gas is interior to recycle ultra-low NOx emission gas burner | |
| CN110848683A (en) | Ultralow NOx and CO emission combustor with high-low pressure and high-low heat value dual fuel gas | |
| CN201531912U (en) | Coal and firewood economizing smokeless fluorine-proof gasification combustion furnace | |
| CN203147763U (en) | Multi-stage fuel flat wall-attached low-NOX-gas flame burner | |
| CN108036313A (en) | Biological fuel gas and natural gas dual burner | |
| CN207122899U (en) | A kind of low NOx gas burners of Flat flame | |
| CN208139261U (en) | A kind of ultralow oxides of nitrogen gas burner of smoke backflow | |
| CN208418701U (en) | A kind of low-NOx combustor for biomass and combustion of natural gas | |
| CN207750987U (en) | A kind of ultralow NOx gas burners of flat attached wall flame | |
| CN110553257A (en) | Novel high-efficiency low NO X burner | |
| CN205782924U (en) | A kind of end, fills wide flat attached wall flame low NOX gas burner | |
| CN206320751U (en) | High Hydrogen fuel Flat-flame ultra-low NOx emission oil and gas combination burner | |
| CN109737402B (en) | U-shaped flame low-nitrogen oxide burner for high-temperature hearth | |
| CN111121005B (en) | Decoupling gas burner and using method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20150525 Granted publication date: 20120404 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20160525 Granted publication date: 20120404 |
|
| PP01 | Preservation of patent right |
Effective date of registration: 20160525 Granted publication date: 20120404 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20201127 Granted publication date: 20120404 |
|
| PP01 | Preservation of patent right |
Effective date of registration: 20201127 Granted publication date: 20120404 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210804 Granted publication date: 20120404 |
|
| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120404 Termination date: 20170804 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |